What was found
AT FL280, EICAS MESSAGE "DOOR PAX FWD OPEN" L1 DOOR SHOWING AMBER BOX, FOLLOWED QRH, MESSAGE CLEARED AT FL190, CAME BACK ON LANDING. R & R L1 DOOR SENSOR HARNESS IAW AMM 20-10-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT FL280, EICAS MESSAGE "DOOR PAX FWD OPEN" L1 DOOR SHOWING AMBER BOX, FOLLOWED QRH, MESSAGE CLEARED AT FL190, CAME BACK ON LANDING. R & R L1 DOOR SENSOR HARNESS IAW AMM 20-10-01.